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systematic observation造句

"systematic observation"是什么意思   

例句與造句

  1. By the 70 s , astronomers started to carry out systematic observations to look for evidence of black holes in binary system
    不過,天文學(xué)家到了七十年代,才開始有系統(tǒng)地透過觀測,在雙星系統(tǒng)中尋找黑洞存在的證據(jù)。
  2. Meteorological observation means systematic observation and measurement of the atmospheric physical processes , phenomena and chemical properties in the atmosphere and surface layer by scientific and technological means
    二)氣象探測,是指利用科技手段對大氣和近地層的大氣物理過程、現(xiàn)象及其化學(xué)性質(zhì)等進(jìn)行的系統(tǒng)觀察和測量。
  3. It's difficult to find systematic observation in a sentence. 用systematic observation造句挺難的

相鄰詞匯

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